Outcomes of long-term von Willebrand factor prophylaxis use in von Willebrand disease: A systematic literature review.
Hemophilia
Von Willebrand Disease
bleeding disorder
bleeding episodes
epistaxis
prophylaxis
Journal
Haemophilia : the official journal of the World Federation of Hemophilia
ISSN: 1365-2516
Titre abrégé: Haemophilia
Pays: England
ID NLM: 9442916
Informations de publication
Date de publication:
May 2022
May 2022
Historique:
revised:
10
01
2022
received:
26
10
2021
accepted:
03
03
2022
pubmed:
27
3
2022
medline:
14
5
2022
entrez:
26
3
2022
Statut:
ppublish
Résumé
Von Willebrand Disease (VWD) is a common inherited bleeding disorder. Patients with VWD suffering from severe bleeding may benefit from the use of secondary long-term prophylaxis. Systematically summarize the evidence on the clinical outcomes of secondary long-term prophylaxis in patients with VWD and severe recurrent bleedings. We searched Medline and EMBASE through October 2019 for relevant randomized clinical trials (RCTs) and comparative observational studies (OS) assessing the effects of secondary long-term prophylaxis in patients with VWD. We used Cochrane Risk of Bias (RoB) tool and the RoB for Non-Randomized Studies of interventions (ROBINS-I) tool to assess the quality of the included studies. We conducted random-effects meta-analyses and assessed the certainty of the evidence using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach. We included 12 studies. Evidence from one placebo controlled RCT suggested that VWD prophylaxis as compared to no prophylaxis reduced the rate of bleeding episodes (Rate ratio [RR], .24; 95% confidence interval [CI], .17-.35; low certainty evidence), and of epistaxis (RR, .38; 95%CI, .21-.67; moderate certainty evidence), and may increase serious adverse events RR 2.73 (95%CI .12-59.57; low certainty). Evidence from four before-and-after studies in which researchers reported comparative data suggested that VWD prophylaxis reduced the rate of bleeding (RR .34; 95%CI, .25-.46; very low certainty evidence). VWD prophylaxis treatment seems to reduce the risk of spontaneous bleeding, epistaxis, and hospitalizations. More RCTs should be conducted to increase the certainty in these benefits.
Sections du résumé
BACKGROUND
BACKGROUND
Von Willebrand Disease (VWD) is a common inherited bleeding disorder. Patients with VWD suffering from severe bleeding may benefit from the use of secondary long-term prophylaxis.
AIM
OBJECTIVE
Systematically summarize the evidence on the clinical outcomes of secondary long-term prophylaxis in patients with VWD and severe recurrent bleedings.
METHODS
METHODS
We searched Medline and EMBASE through October 2019 for relevant randomized clinical trials (RCTs) and comparative observational studies (OS) assessing the effects of secondary long-term prophylaxis in patients with VWD. We used Cochrane Risk of Bias (RoB) tool and the RoB for Non-Randomized Studies of interventions (ROBINS-I) tool to assess the quality of the included studies. We conducted random-effects meta-analyses and assessed the certainty of the evidence using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach.
RESULTS
RESULTS
We included 12 studies. Evidence from one placebo controlled RCT suggested that VWD prophylaxis as compared to no prophylaxis reduced the rate of bleeding episodes (Rate ratio [RR], .24; 95% confidence interval [CI], .17-.35; low certainty evidence), and of epistaxis (RR, .38; 95%CI, .21-.67; moderate certainty evidence), and may increase serious adverse events RR 2.73 (95%CI .12-59.57; low certainty). Evidence from four before-and-after studies in which researchers reported comparative data suggested that VWD prophylaxis reduced the rate of bleeding (RR .34; 95%CI, .25-.46; very low certainty evidence).
CONCLUSION
CONCLUSIONS
VWD prophylaxis treatment seems to reduce the risk of spontaneous bleeding, epistaxis, and hospitalizations. More RCTs should be conducted to increase the certainty in these benefits.
Substances chimiques
von Willebrand Factor
0
Types de publication
Journal Article
Review
Systematic Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
373-387Subventions
Organisme : American Society of Hematology
Organisme : This systematic review was conducted to support the development of the ASH ISTH NHF WFH 2020 Guidelines for Management of VWD. The entire guideline development process was funded by ASH, ISTH, NHF, and WFH (the 4 collaborating organizations). A.E, N.H., M.K. R.M., R.B.P., and R.A.M. received salary or grant support from the Outcomes and Implementation Research Unit at the University of Kansas Medical Center and the McMaster GRADE center; others participated to fulfill the requirements of an academic degree or program or volunteered their time.
Informations de copyright
© 2022 John Wiley & Sons Ltd.
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